Apple, where is our support? When this issue will be resolved? The panic crash happens each day!

Check the updates. Apple release macOS 11.4, this issue should be fixed

panic(cpu 4 caller 0xffffff801b09f6b6): [kext.kalloc.2048]: element modified after free (off:1584, val:0x0000210100000000, sz:2048, ptr:0xffffff93931dd800, prot:zero)  1584: 0x0000210100000000  1592: 0x0000000b00005400  1600: 0x0000000000000009  1608: 0x0000020300000100  1616: 0x0000015400000154  1624: 0x0000000100000a00  1632: 0x000008340000041a  1640: 0x0000000000001400 Backtrace (CPU 4), Frame : Return Address 0xffffffc14497acf0 : 0xffffff801a88e02d  0xffffffc14497ad40 : 0xffffff801a9d48e3  0xffffffc14497ad80 : 0xffffff801a9c4eda  0xffffffc14497add0 : 0xffffff801a832a2f  0xffffffc14497adf0 : 0xffffff801a88d84d  0xffffffc14497af10 : 0xffffff801a88db43  0xffffffc14497af80 : 0xffffff801b09d68a